Semi-automatically taking the the misc-include-cleaner warnings by clang-tidy and fixing files to be self-contained. Change-Id: Iaaa2b2ec9d6dcce547fa5cb6b4f056dfc8c781ff
example_util.h hasn't been needed since: a9947c3 cwebp: add support for stdin input Change-Id: Ic4fcefd5567aa3f4a5c1d443e8c6d9b4fc2fb53f
Change-Id: I2508c786a095a2a75bebf766210c64e2af88f9b6